Home / 13,130.60-19,694.04-3,771.44

Finding the Fourth Proportional to 13,130.60, 19,694.04 and 3,771.44

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Solution

The fourth proportional to 13,130.60, 19,694.04 and 3,771.44 is: 5,656.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,130.60 : 19,694.04 = 3,771.44 : x
  2. Step 2: Convert to fraction form
    13,130.60/19,694.04 = 3,771.44/x
  3. Step 3: Cross multiply
    13,130.60x = 19,694.04 × 3,771.44
  4. Step 4: Simplify right side
    13,130.60x = 74,274,890.22
  5. Step 5: Solve for x
    x = 74,274,890.22/13,130.60
  6. Step 6: Final answer
    x = 5,656.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.